On Sat, Jul 23, 2016 at 04:00:32PM +0800, Liping Zhang wrote:
> From: Liping Zhang <[email protected]>
> 
> We "cache" the loaded match/target modules and reuse them, but when the
> modules are removed, we still point to them. Then we may end up with
> invalid memory references when using iptables-compat to add rules later.
> 
> Input the following commands will reproduce the kernel crash:
>   # iptables-compat -A INPUT -j LOG
>   # iptables-compat -D INPUT -j LOG
>   # rmmod xt_LOG
>   # iptables-compat -A INPUT -j LOG
>   BUG: unable to handle kernel paging request at ffffffffa05a9010

Applied, thanks Zhang.
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